Home / 433,942.80-651,298.20-256,227.60

Finding the Fourth Proportional to 433,942.80, 651,298.20 and 256,227.60

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Solution

The fourth proportional to 433,942.80, 651,298.20 and 256,227.60 is: 384,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,942.80 : 651,298.20 = 256,227.60 : x
  2. Step 2: Convert to fraction form
    433,942.80/651,298.20 = 256,227.60/x
  3. Step 3: Cross multiply
    433,942.80x = 651,298.20 × 256,227.60
  4. Step 4: Simplify right side
    433,942.80x = 166,880,574,670.32
  5. Step 5: Solve for x
    x = 166,880,574,670.32/433,942.80
  6. Step 6: Final answer
    x = 384,568.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.